Product parameter functions: NRVG Silent Check Valve Material: Carbon Steel Structure: Lift Connection: Flanged Product Details Brand China Eastern Jin H41H-16C model species structure lift valve body material cast steel flange connection form Nominal diameter DN15-DN800 mm pressure range 1.0 ~ 6.4 Mpa For medium water, oil, steam Suitable temperature -160 ~ 450 ℃ Scope petroleum, chemical, power, metallurgy, water treatment, construction, shipbuilding and machinery industries such as food products Alias ??lift check valve H41H-16C system: H41W / H; H44 W / H, H71W / H, H42W / H material: steel, forged steel, stainless steel, 301,304,316,316L so on. Specifications: DN15-DN800 Standard: GB, Japanese standard, American standard pressure: 1.6Mpa ~ 32Mpa (150LB ~ 600LB) 5k ~ 63k connection: flange, wafer, butt Brand: China Eastern Jin Operating temperature: -160 to 550 Type: Straight-media: water, oil, steam, nitric acid, etc. Overall: Heavy / Medium This product designed and manufactured in strict accordance with GB12235 standard, the valve along a central location for the lifting movement, bush using good wear resistance, friction low coefficient of special materials, flexible and reliable, excellent sealing performance. Products are widely used in petroleum pipelines, chemical, pharmaceutical, power industry and other working conditions. The main performance specifications: Nominal test pressure (MPa) 1.6 2.5 4.0 6.4 10.0 2.4 3.8 6.0 9.6 Shell test Seal test 1.8 2.8 4.4 15.0 7.1 11.0 body material WCB (C) CF8 (P) CF 8M (R) WC6 WC9 work Medium temperature ≤425≤100≤100≤550≤550 water, steam, oil type nitric acid type water, steam water, steam performance standards: the design and manufacture: GB12235 Structure length: GB12221 Flange: JB / T79-1994 test and inspection: JB / T9092-1999 main connection size: nominal diameter PN1.6 / 2.5 / 4.0MPa PN6.4MPa PN10.0MPa other explanation LHLHLH DN32 180 100 260 160 260 165 DN40 200 110 260 165 260 170 DN50 230 115 300 170 300 175 DN65 290 140 340 185 340 190 DN80 310 170 380 205 380 235 DN100 350 200 430 230 430 265 DN125 400 230 500 265 500 310 DN150 480 255 550 310 550 350 DN200 600 285 650 350 650 400